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Added news about repr(string).
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What's New in Python 2.1 alpha 2?
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=================================
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Core language, builtins, and interpreter
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- repr(string) is easier to read, now using hex escapes instead of octal,
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and using \t, \n and \r instead of \011, \012 and \015 (respectively):
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>>> "\texample \r\n" + chr(0) + chr(255)
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'\texample \r\n\x00\xff' # in 2.1
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'\011example \015\012\000\377' # in 2.0
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Standard library
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